[DOC] Fix broken links with slash character

Merged: https://github.com/ruby/ruby/pull/16027

doc/_timezones.rdoc

@@ -11,7 +11,7 @@ Certain +Time+ methods accept arguments that specify timezones:
 The value given with any of these must be one of the following
 (each detailed below):
 
-- {Hours/minutes offset}[rdoc-ref:Time@Hours-2FMinutes+Offsets].
+- {Hours/minutes offset}[rdoc-ref:Time@HoursMinutes+Offsets].
 - {Single-letter offset}[rdoc-ref:Time@Single-Letter+Offsets].
 - {Integer offset}[rdoc-ref:Time@Integer+Offsets].
 - {Timezone object}[rdoc-ref:Time@Timezone+Objects].

doc/contributing/documentation_guide.md

@@ -318,7 +318,7 @@ Alternatives:
   will not be honored:
 
     - Example {source}[https://github.com/ruby/ruby/blob/34d802f32f00df1ac0220b62f72605827c16bad8/file.c#L6570-L6596].
-    - Corresponding {output}[rdoc-ref:File@Read-2FWrite+Mode].
+    - Corresponding {output}[rdoc-ref:File@ReadWrite+Mode].
 
 - (Markdown format only): A {Github Flavored Markdown (GFM) table}[https://github.github.com/gfm/#tables-extension-],
   using special formatting for the text:

doc/string.rb

@@ -169,7 +169,7 @@
 # Here, class +String+ provides methods that are useful for:
 #
 # - {Creating a \String}[rdoc-ref:String@Creating+a+String].
-# - {Freezing/Unfreezing a \String}[rdoc-ref:String@Freezing-2FUnfreezing].
+# - {Freezing/Unfreezing a \String}[rdoc-ref:String@FreezingUnfreezing].
 # - {Querying a \String}[rdoc-ref:String@Querying].
 # - {Comparing Strings}[rdoc-ref:String@Comparing].
 # - {Modifying a \String}[rdoc-ref:String@Modifying].

string.c

@@ -3311,7 +3311,7 @@ rb_str_freeze(VALUE str)
  *
  * Otherwise returns <tt>self.dup</tt>, which is not frozen.
  *
- * Related: see {Freezing/Unfreezing}[rdoc-ref:String@Freezing-2FUnfreezing].
+ * Related: see {Freezing/Unfreezing}[rdoc-ref:String@FreezingUnfreezing].
  */
 static VALUE
 str_uplus(VALUE str)
@@ -3356,7 +3356,7 @@ str_uplus(VALUE str)
  *
  *   'foo'.dedup.gsub!('o')
  *
- * Related: see {Freezing/Unfreezing}[rdoc-ref:String@Freezing-2FUnfreezing].
+ * Related: see {Freezing/Unfreezing}[rdoc-ref:String@FreezingUnfreezing].
  */
 static VALUE
 str_uminus(VALUE str)